プログラミング de 落描き – ページ 802 – クリエイティブ・コーディングによる生成物とソース

2018年6月5日2018年6月5日

openFrameworksでUTF8を使う

[ Video ]

[ About ]
openFrameworks0.10.0からUTF8がサポートされたという事なので、ofTrueTypeFontで日本語を表示してみました

「ソースの文字コードをUTF8にすれば大丈夫だろ」ぐらいのお手軽感覚でいたのですが、なかなか表示してくれず…文字列リテラルの前にu8プレフィックスをつけてあげたら上手く文字列が渡ってくれました。

環境はWindows, Visual Studio 2017です。

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofTrueTypeFont font;
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofTrueTypeFont font;

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofBackground(239);
	ofSetWindowTitle("Insta");

	ofSetColor(200, 0, 25);

	ofTrueTypeFontSettings font_settings("fonts/Kazesawa-Bold.ttf", 50);
	font_settings.antialiased = true;
	font_settings.addRanges(ofAlphabet::Japanese);
	this->font.load(font_settings);
}

//--------------------------------------------------------------
void ofApp::update() {

}

//--------------------------------------------------------------
void ofApp::draw() {

	vector<string> words = {
		u8"お", u8"も", u8"て", u8"な", u8"し", 
	};

	for (int x = 0; x < ofGetWidth(); x += 72) {

		for (int y = 60; y < ofGetHeight(); y += 72) {

			int words_index = ofNoise(x * 0.0005, y * 0.0005, ofGetFrameNum() * 0.005) * words.size();
			std::string moji  = words[words_index];
			this->font.drawString(moji, x, y);
		}
	}	
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofSetColor(200, 0, 25);

ofTrueTypeFontSettings font_settings("fonts/Kazesawa-Bold.ttf", 50);

font_settings.antialiased = true;

font_settings.addRanges(ofAlphabet::Japanese);

this->font.load(font_settings);

}

//--------------------------------------------------------------

void ofApp::update() {

}

//--------------------------------------------------------------

void ofApp::draw() {

vector<string> words = {

u8"お", u8"も", u8"て", u8"な", u8"し",

};

for (int x = 0; x < ofGetWidth(); x += 72) {

for (int y = 60; y < ofGetHeight(); y += 72) {

int words_index = ofNoise(x * 0.0005, y * 0.0005, ofGetFrameNum() * 0.005) * words.size();

std::string moji = words[words_index];

this->font.drawString(moji, x, y);

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180605

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2018年6月4日2018年6月4日

うずうずのいず openFrameworks

[ Video ]

[ About ]
インクリメントされたradiusとsin, cosを使って渦を描いて、Noise関数で動きを付けました

[ Source ]

#pragma once
#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};
};

#pragma once

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofBackground(239);
	ofSetWindowTitle("Insta");

	ofNoFill();
	ofSetLineWidth(1.5);
	ofSetColor(39);
}

//--------------------------------------------------------------
void ofApp::update() {

}

//--------------------------------------------------------------
void ofApp::draw() {

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	for (int x = -1; x <= 1; x++) {

		for (int y = -1; y <= 1; y++) {

			ofPoint location(x * 240, y * 240);
			float radius = 15;

			ofBeginShape();
			for (int deg = 0; deg < 360 * 10; deg++) {

				ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)) + location;
				int noise_value = ofNoise(point.x * 0.003, point.y * 0.003, ofGetFrameNum() * 0.005) * 10 - 5;
				noise_value *= 5;
				point = ofPoint((radius + noise_value) * cos(deg * DEG_TO_RAD), (radius + noise_value) * sin(deg * DEG_TO_RAD)) + location;

				ofVertex(point);
				radius += 0.02;
			}
			ofEndShape();
		}
	}
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(239);

ofSetWindowTitle("Insta");

ofNoFill();

ofSetLineWidth(1.5);

ofSetColor(39);

}

//--------------------------------------------------------------

void ofApp::update() {

}

//--------------------------------------------------------------

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

for (int x = -1; x <= 1; x++) {

for (int y = -1; y <= 1; y++) {

ofPoint location(x * 240, y * 240);

float radius = 15;

ofBeginShape();

for (int deg = 0; deg < 360 * 10; deg++) {

ofPoint point = ofPoint(radius * cos(deg * DEG_TO_RAD), radius * sin(deg * DEG_TO_RAD)) + location;

int noise_value = ofNoise(point.x * 0.003, point.y * 0.003, ofGetFrameNum() * 0.005) * 10 - 5;

noise_value *= 5;

point = ofPoint((radius + noise_value) * cos(deg * DEG_TO_RAD), (radius + noise_value) * sin(deg * DEG_TO_RAD)) + location;

ofVertex(point);

radius += 0.02;

}

ofEndShape();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180604

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2018年6月3日2018年6月3日

トーラス座標を走るライン openFrameworks

[ Video ]

[ About ]
トーラス座標(ドーナツ状の座標)を走るラインをたくさん描きました。

[ Source ]

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	ofEasyCam cam;
	ofPoint make_point(float radius, float small_radius, float deg, float small_deg);
};

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

ofEasyCam cam;

ofPoint make_point(float radius, float small_radius, float deg, float small_deg);

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(60);
	ofBackground(39);
	ofSetWindowTitle("Insta");

	ofSetLineWidth(1.5);
	ofEnableDepthTest();
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
}

//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

//--------------------------------------------------------------
void ofApp::draw() {

	this->cam.begin();
	ofRotateX(270);

	for (int i = 0; i < 139; i++) {

		float radius = 100;
		float small_radius = 50;
		int start_deg = ofRandom(360) + ofGetFrameNum();
		int small_deg_param = ofRandom(4, 10);

		ofColor line_color;
		line_color.setHsb(ofRandom(255), 239, 239);

		float radius_span = 0.5;
		int deg_span = 2;
		for (int deg = start_deg; deg <= start_deg + 30; deg += 2) {

			ofSetColor(line_color, ofMap(deg, start_deg, start_deg + 30, 32, 255));

			ofPoint p1 = make_point(radius, small_radius, deg, deg * small_deg_param);
			ofPoint p2 = make_point(radius + radius_span, small_radius, deg + deg_span, (deg + deg_span) * small_deg_param);
			ofDrawLine(p1, p2);

			radius += radius_span;
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
ofPoint ofApp::make_point(float radius, float small_radius, float deg, float small_deg) {

	float x_1 = radius * cos(deg * DEG_TO_RAD);
	float y_1 = radius * sin(deg * DEG_TO_RAD);

	float x_2 = small_radius * cos(small_deg * DEG_TO_RAD) * cos(deg * DEG_TO_RAD);
	float y_2 = small_radius * cos(small_deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD);

	float x = x_1 + x_2;
	float y = y_1 + y_2;
	float z = small_radius * sin(small_deg * DEG_TO_RAD);

	return ofPoint(x, y, z);
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(1280, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(60);

ofBackground(39);

ofSetWindowTitle("Insta");

ofSetLineWidth(1.5);

ofEnableDepthTest();

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

}

//--------------------------------------------------------------

void ofApp::update() {

ofSeedRandom(39);

}

//--------------------------------------------------------------

void ofApp::draw() {

this->cam.begin();

ofRotateX(270);

for (int i = 0; i < 139; i++) {

float radius = 100;

float small_radius = 50;

int start_deg = ofRandom(360) + ofGetFrameNum();

int small_deg_param = ofRandom(4, 10);

ofColor line_color;

line_color.setHsb(ofRandom(255), 239, 239);

float radius_span = 0.5;

int deg_span = 2;

for (int deg = start_deg; deg <= start_deg + 30; deg += 2) {

ofSetColor(line_color, ofMap(deg, start_deg, start_deg + 30, 32, 255));

ofPoint p1 = make_point(radius, small_radius, deg, deg * small_deg_param);

ofPoint p2 = make_point(radius + radius_span, small_radius, deg + deg_span, (deg + deg_span) * small_deg_param);

ofDrawLine(p1, p2);

radius += radius_span;

}

this->cam.end();

}

//--------------------------------------------------------------

ofPoint ofApp::make_point(float radius, float small_radius, float deg, float small_deg) {

float x_1 = radius * cos(deg * DEG_TO_RAD);

float y_1 = radius * sin(deg * DEG_TO_RAD);

float x_2 = small_radius * cos(small_deg * DEG_TO_RAD) * cos(deg * DEG_TO_RAD);

float y_2 = small_radius * cos(small_deg * DEG_TO_RAD) * sin(deg * DEG_TO_RAD);

float x = x_1 + x_2;

float y = y_1 + y_2;

float z = small_radius * sin(small_deg * DEG_TO_RAD);

return ofPoint(x, y, z);

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(1280, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20180603

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